The product titled ‘CIRCUIT BREATHING VENTILATOR 22MM ID 1.8M61CM INSPEXP LIMB 12IN CORRUGATED HOSE ADULT WYE NO PEEP VALVE STANDARD ELBOW REUSABLE FLTV SERIES VENTILATOR 1Each – 17997-001’ is a reusable breathing circuit for ventilators. It features a 22mm internal diameter and a length of 1.8 meters or 61cm for both the inspiratory and expiratory limbs. The circuit also includes a 12-inch corrugated hose designed for adult use. It has a Wye connector and a standard elbow but does not include a PEEP valve. This product is designed for use with the FLTV series of ventilators and is sold individually.